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Finding the Fourth Proportional to 220,122.20, 330,183.30 and 167,634.20

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Solution

The fourth proportional to 220,122.20, 330,183.30 and 167,634.20 is: 251,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,122.20 : 330,183.30 = 167,634.20 : x
  2. Step 2: Convert to fraction form
    220,122.20/330,183.30 = 167,634.20/x
  3. Step 3: Cross multiply
    220,122.20x = 330,183.30 × 167,634.20
  4. Step 4: Simplify right side
    220,122.20x = 55,350,013,348.86
  5. Step 5: Solve for x
    x = 55,350,013,348.86/220,122.20
  6. Step 6: Final answer
    x = 251,451.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.